class: Options are FA, A, GA, B, Start, Stub, Dab, Template, Cat, NA. If blank, this will default as Unassessed. Descriptions of the options can be found at Wikipedia:Version 1.0 Editorial Team/Assessment. NA is "not applicable".
importance: Options are Top, High, Mid, Low, NA. If blank, this will default as Unknown priority. NA is "not applicable". This is the importance within Mining articles according to this scale: